A convex polyhedron has (4a) faces, (6a) vertices, and (8a + 2) edges. What is the value of a?
2 answers:
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Answer:
x - 9
Step-by-step explanation:
(f ÷ g)(x) = f(x) ÷ g(x), that is
← factorise the numerator
= ← cancel the common factor (x - 10) on numerator/denominator
= x - 9
Answer:
Step-by-step explanation:
C = 2 π r
A = π r²
~~~~~~~~~~~
(1). C = 8 π
Let the length of the arc ADB is "x"
x = ( 8π ÷ 360° ) × 340°
x =
(2). A = 16 π
The area of shaded region is
( 16 π ÷ 360° ) × 340° =